Q.11 
11.  lim x → 3   x 3  - 6x - 9 x 4  - 81

Dear student
limx3x3-6x-9x4-81limx3x2+3x+3x-3x-3x+3x2+9limx3x2+3x+3x+3x2+9Putting x=332+3×3+33+332+9=736
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